Ms Chauhan Organic Chemistry Advanced Problems Pdf -

Identify the correct statement(s) about aromaticity : (a) [18]annulene is aromatic (b) Cyclopentadienyl anion is anti-aromatic (c) Tropylium cation is aromatic (d) Pyridine-N-oxide is less aromatic than pyridine Section B: Integer Answer (Type: Numeric value 0–9) (3 marks each, no negative)

For the Cannizzaro reaction of 2-methylpropanal with concentrated NaOH, how many moles of HCOOH (formic acid) are produced per 2 moles of aldehyde? Section C: Assertion-Reasoning (3 marks each – 1 for A, 1 for R, 1 for linkage)

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1→?, 2→?, 3→?, 4→? Section E: Synthesis (Write reaction sequences) (5 marks each)

How many distinct products (including stereoisomers) are formed when 3-methylpent-2-ene reacts with Br₂ in CCl₄ under dark conditions? Identify the correct statement(s) about aromaticity : (a)

Solve each question. Time limit: 90 minutes. Max marks: 50. Section A: Multiple Correct (Type: One or more options correct) (4 marks each, -1 for partial)

What I can do is help you create your that mimics the style and difficulty of MS Chauhan’s advanced problems. This would be a study tool you can build legally. Time limit: 90 minutes

Assertion (A): The rate of SN2 reaction of CH₃Cl with OH⁻ increases when the solvent is changed from water to DMSO. Reason (R): DMSO better solvates the transition state than water. (a) Both A and R true, R correct explanation. (b) Both A and R true, R not correct explanation. (c) A true, R false. (d) A false, R true. Section D: Matching (Column I vs Column II) (4 marks – fully correct only)

| Column I (Reaction) | Column II (Mechanism type) | |---------------------|----------------------------| | 1. Sandmeyer reaction | A. Electrophilic substitution | | 2. Fries rearrangement | B. Free radical | | 3. Hunsdiecker reaction | C. Nucleophilic aromatic substitution | | 4. Chichibabin reaction | D. Single electron transfer |

Below is a based on the typical topics and question patterns found in MS Chauhan’s book. You can copy this into a Word/Google Doc, save as PDF, and use it for practice. Advanced Organic Chemistry Problem Set Inspired by the difficulty level of MS Chauhan’s "Problems in Organic Chemistry for JEE Advanced"

Convert benzene to 3-nitrobenzoic acid in 3 steps. Give reagents and intermediates.